Search results for "Fitting"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
12	Gabriel Taubin	Estimation of Planar Curves, Surfaces, and Nonplanar Space Curves Defined by Implicit Equations with Applications to Edge and Range Image Segmentation.	IEEE Trans. Pattern Anal. Mach. Intell.	1991	DBLP DOI BibTeX RDF	edge segmentation, nonplanar space curves, implicit equations, object position estimation, pattern recognition, pattern recognition, object recognition, optimisation, optimisation, surfaces, algebra, algebra, curve fitting, zeros, 3-D, range image segmentation, planar curves, parametric representation, 2-D
12	Mohammad Ali Oghabian, Andrew Todd-Pokropek	Registration of Brain Image by a Multi Resolution Sequential Method.	IPMI	1991	DBLP DOI BibTeX RDF	surface detection, superimposition, Medical imaging, minimization, surface fitting, least square, three dimensional graphics, image display, multimodality imaging
12	Naokazu Yokoya, Martin D. Levine	Range Image Segmentation Based on Differential Geometry: A Hybrid Approach.	IEEE Trans. Pattern Anal. Mach. Intell.	1989	DBLP DOI BibTeX RDF	region based method, edge based method, surface primitives, local biquadratic surface fit, curvature sign map, depth values, pattern recognition, image segmentation, computerised picture processing, computerised picture processing, computerised pattern recognition, geometry, curve fitting, differential geometry, 3D object, surface orientation, partial derivatives, range data analysis
12	Saburo Tsuji, Fumio Matsumoto	Detection of Ellipses by a Modified Hough Transformation.	IEEE Trans. Computers	1978	DBLP DOI BibTeX RDF	pattern recognition, picture processing, Hough transformation, scene analysis, line fitting, Curve detection
12	Ming-Lei Liou	Spline Fit Made Easy.	IEEE Trans. Computers	1976	DBLP DOI BibTeX RDF	Approximation, interpolation, curve fitting, numerical algorithm, spline function
12	Philip M. Merlin, David J. Farber	A Parallel Mechanism for Detecting Curves in Pictures.	IEEE Trans. Computers	1975	DBLP DOI BibTeX RDF	picture processing, parallel machine, curve fitting, parameter space, Curve detection
12	Paul S. LaFata, J. Ben Rosen	An interactive display for approximation by linear programming.	Commun. ACM	1970	DBLP DOI BibTeX RDF	linear programming, approximation, functional approximation, data fitting, graphical display, spline functions
12	Wayne T. Watson	Certification of algorithm 296 [E2]: generalized least squares fit by orthogonal polynomials.	Commun. ACM	1969	DBLP DOI BibTeX RDF	Forsythe's method, approximation, least squares, curve fitting, orthogonal polynomials, polynomial regression, three-term recurrence
12	Harold J. Breaux	A modification of Efroymson's technique for stepwise regression analysis.	Commun. ACM	1968	DBLP DOI BibTeX RDF	linear statistical models, statistical computer programs, statistical recurrence formulas, correlation, curve fitting, multiple linear regression
12	D. B. Hunter	Algorithms: Algorithm 320: Harmonic analysis for symmetrically distributed data.	Commun. ACM	1968	DBLP DOI BibTeX RDF	cosine series, sine series, trigonometric series, function approximation, curve fitting, harmonic analysis
11	Albrecht Schmidt 0001	Engineering interactive ubiquitous computing systems.	EICS	2011	DBLP DOI BibTeX RDF
11	Hongqiao Wang, Fuchun Sun 0001, Yan-Ning Cai, Linge Ding, Ning Chen 0002	An unbiased LSSVM model for classification and regression.	Soft Comput.	2010	DBLP DOI BibTeX RDF	Unbiased SVC, Chaotic time series prediction, Pattern classification, Cholesky factorization, LSSVM
11	Bradley N. Bond, Luca Daniel	Automated compact dynamical modeling: an enabling tool for analog designers.	DAC	2010	DBLP DOI BibTeX RDF	parameterized modeling, semidefinite programming, model reduction, analog design, compact modeling
11	Luciano Sánchez, José Otero, Inés Couso	Obtaining linguistic fuzzy rule-based regression models from imprecise data with multiobjective genetic algorithms.	Soft Comput.	2009	DBLP DOI BibTeX RDF
11	Mahmut Tokmakçi, Nuri Erdogan	Investigation of the Arterial Stiffness on Renal Artery Doppler Sonograms.	J. Medical Syst.	2009	DBLP DOI BibTeX RDF	Doppler ultrasound, Savitzky-Golay smoothing method, Arterial stiffness, Compliance, Short time Fourier transformation
11	Yu-Kun Lai, Shi-Min Hu 0001, Ralph R. Martin	Automatic and topology-preserving gradient mesh generation for image vectorization.	ACM Trans. Graph.	2009	DBLP DOI BibTeX RDF	gradient mesh, image manifold, image vectorization, parameterization
11	Nicholas J. Tustison, Brian B. Avants, James C. Gee	Directly Manipulated Free-Form Deformation Image Registration.	IEEE Trans. Image Process.	2009	DBLP DOI BibTeX RDF
11	Hua Gao, Hazim Kemal Ekenel, Rainer Stiefelhagen	Pose Normalization for Local Appearance-Based Face Recognition.	ICB	2009	DBLP DOI BibTeX RDF
11	Takahiro Kagawa, Yoji Uno	A human interface for stride control on a wearable robot.	IROS	2009	DBLP DOI BibTeX RDF
11	Xiaoxing Yang, Ke Tang 0001, Xin Yao 0001	The Minimum Redundancy - Maximum Relevance Approach to Building Sparse Support Vector Machines.	IDEAL	2009	DBLP DOI BibTeX RDF	Sparse design, Machine learning, SVMs, Redundancy, Relevance
11	Manu Shantharam, Padma Raghavan, Mahmut T. Kandemir	Hybrid Techniques for Fast Multicore Simulation.	Euro-Par	2009	DBLP DOI BibTeX RDF
11	ShuXia Yang	The Forecast of Power Demand Cycle Turning Points Based on ARMA.	WKDD	2009	DBLP DOI BibTeX RDF
11	Qian Ying Tang, Qiang Chen, Niloy Chatterjee, Vedank Tripathi, Natarajan Nandagopalan, Sridhar Tirumala	Phenomenological model for gate length bias dependent inverter delay change with emphasis on library characterization.	ISQED	2009	DBLP DOI BibTeX RDF
11	Robert Saxon Milnikel	Conservativity for Logics of Justified Belief.	LFCS	2009	DBLP DOI BibTeX RDF
11	Pasi Rastas	A General Framework for Local Pairwise Alignment Statistics with Gaps.	WABI	2009	DBLP DOI BibTeX RDF
11	Xin Li 0001	Finding deterministic solution from underdetermined equation: large-scale performance modeling by least angle regression.	DAC	2009	DBLP DOI BibTeX RDF	response surface modeling, process variation
11	Yefeng Zheng 0001, Adrian Barbu, Bogdan Georgescu, Michael Scheuering, Dorin Comaniciu	Four-Chamber Heart Modeling and Automatic Segmentation for 3-D Cardiac CT Volumes Using Marginal Space Learning and Steerable Features.	IEEE Trans. Medical Imaging	2008	DBLP DOI BibTeX RDF
11	Hiran Tennakoon, Carl Sechen	Nonconvex Gate Delay Modeling and Delay Optimization.	IEEE Trans. Comput. Aided Des. Integr. Circuits Syst.	2008	DBLP DOI BibTeX RDF
11	Paul Rosenthal, Lars Linsen	Smooth Surface Extraction from Unstructured Point-based Volume Data Using PDEs.	IEEE Trans. Vis. Comput. Graph.	2008	DBLP DOI BibTeX RDF
11	Yu-Ting Tsai, Chin-Chen Chang 0002, Qing-Zhen Jiang, Shr-Ching Weng	Importance sampling of products from illumination and BRDF using spherical radial basis functions.	Vis. Comput.	2008	DBLP DOI BibTeX RDF	Spherical radial basis function, Illumination, Importance sampling, Environment map, Bidirectional reflectance distribution function
11	Juan Zhou, Lixiu Yao, Jie Yang 0002, Chunming Li	Moment based level set method for image segmentation.	ICIP	2008	DBLP DOI BibTeX RDF
11	Fadni Bin Forkan, Siti Mariyam Hj. Shamsuddin	Kohonen-Swarm Algorithm for Unstructured Data in Surface Reconstruction.	CGIV	2008	DBLP DOI BibTeX RDF
11	Jann Poppinga, Narunas Vaskevicius, Andreas Birk 0002, Kaustubh Pathak	Fast plane detection and polygonalization in noisy 3D range images.	IROS	2008	DBLP DOI BibTeX RDF
11	Søren G. H. Erbou, Sune Darkner, Jurgen Fripp, Sébastien Ourselin, Bjarne K. Ersbøll	Estimation of shape model parameters for 3D surfaces.	ISBI	2008	DBLP DOI BibTeX RDF
11	Youngki Hong, Jongmoon Baik, In-Young Ko, Ho-Jin Choi	A Value-Added Predictive Defect Type Distribution Model Based on Project Characteristics.	ACIS-ICIS	2008	DBLP DOI BibTeX RDF	In-process Defect Prediction, Defect Type Distribution, Weibull Function, Software Reliability, Maximum Likelihood Estimation
11	Albrecht Zimmermann	Ensemble-Trees: Leveraging Ensemble Power Inside Decision Trees.	Discovery Science	2008	DBLP DOI BibTeX RDF
11	Xiaolong Zheng, Yangsheng Wang	Fingerprint matching based on ridge similarity.	ICASSP	2008	DBLP DOI BibTeX RDF
11	Paul Kuo, Dimitrios Makris 0001, Najla Megherbi, Jean-Christophe Nebel	Integration of Local Image Cues for Probabilistic 2D Pose Recovery.	ISVC (2)	2008	DBLP DOI BibTeX RDF
11	C. Murray Woodside	The Relationship of Performance Models to Data.	SIPEW	2008	DBLP DOI BibTeX RDF
11	Jianping Wu, Jinxiang Li, Changshui Xiao, Fangyong Tan, Caidong Gu	Real-time Robust Algorithm for Circle Object Detection.	ICYCS	2008	DBLP DOI BibTeX RDF
11	Jianjun Qian, Weilan Wang	Main Feature Extraction and Expression for Religious Portrait Thangka Image.	ICYCS	2008	DBLP DOI BibTeX RDF
11	Timothy S. Vaughan	In search of the memoryless property.	WSC	2008	DBLP DOI BibTeX RDF
11	Brian Amberg, Reinhard Knothe, Thomas Vetter	SHREC'08 entry: Shape based face recognition with a Morphable Model.	Shape Modeling International	2008	DBLP DOI BibTeX RDF
11	Baoqing Liu, Huimin Dong	A Method for Evaluation of Coning Error Based on Adaptive Cone.	ICIRA (2)	2008	DBLP DOI BibTeX RDF	saddle point programming, initial point, adaptive, sequential quadratic programming
11	Zhiwu Lu 0001, Yuxin Peng, Jianguo Xiao	Unsupervised learning of finite mixtures using entropy regularization and its application to image segmentation.	CVPR	2008	DBLP DOI BibTeX RDF
11	Minh Hoai Nguyen, Fernando De la Torre	Local minima free Parameterized Appearance Models.	CVPR	2008	DBLP DOI BibTeX RDF
11	Björn Andres, Claudia Kondermann, Daniel Kondermann, Ullrich Köthe, Fred A. Hamprecht, Christoph S. Garbe	On errors-in-variables regression with arbitrary covariance and its application to optical flow estimation.	CVPR	2008	DBLP DOI BibTeX RDF
11	Li Quanqing, Li Ming	The Method of Error Controlling on the Vectorization of Dot Matrix Image.	CSSE (2)	2008	DBLP DOI BibTeX RDF
11	Caihua Wu, Xiaodong Zhu, Juntao Liu	The SRGM Framework of Integrated Fault Detection Process and Correction Process.	CSSE (2)	2008	DBLP DOI BibTeX RDF
11	Peter Veelaert, Kristof Teelen	Optimal Difference Operator Selection.	DGCI	2008	DBLP DOI BibTeX RDF
11	Christoph Mayer 0001, Matthias Wimmer, Freek Stulp, Zahid Riaz, Anton Roth, Martin Eggers, Bernd Radig	A real time system for model-based interpretation of the dynamics of facial expressions.	FG	2008	DBLP DOI BibTeX RDF
11	Brian Amberg, Reinhard Knothe, Thomas Vetter	Expression invariant 3D face recognition with a Morphable Model.	FG	2008	DBLP DOI BibTeX RDF
11	Xuemei Li 0001, Caiming Zhang 0001, Caiqing Zhang	A Modification to MC Algorithm Using Data Mining Technique.	FSKD (4)	2008	DBLP DOI BibTeX RDF
11	Peng Chen, Hongyong Yuan, Xueming Shu	Forecasting Crime Using the ARIMA Model.	FSKD (5)	2008	DBLP DOI BibTeX RDF
11	Vicky Y. Wang, Hoi Ieng Lam, Daniel B. Ennis, Alistair A. Young, Martyn P. Nash	Passive Ventricular Mechanics Modelling Using MRI of Structure and Function.	MICCAI (2)	2008	DBLP DOI BibTeX RDF	Left Ventricular (LV) mechanics, Diffusion Tensor MRI (DTMRI), Finite Element Modelling, Cardiac Magnetic Resonance Imaging (MRI)
11	Norimichi Ukita, Ryosuke Tsuji, Masatsugu Kidode	Real-Time Shape Analysis of a Human Body in Clothing Using Time-Series Part-Labeled Volumes.	ECCV (3)	2008	DBLP DOI BibTeX RDF
11	Erik Saudek, Daniel Novák, Dita Wagnerová, Milan Hájek	Analysis of Human Brain NMR Spectra in Vivo Using Artificial Neural Networks.	ICANN (2)	2008	DBLP DOI BibTeX RDF
11	Hongyu Wang 0002, Miao Jin, Ying He 0001, Xianfeng Gu, Hong Qin 0001	User-controllable polycube map for manifold spline construction.	Symposium on Solid and Physical Modeling	2008	DBLP DOI BibTeX RDF	affine atlas, manifold splines, polycube map, shape computing, solid modeling, T-splines
11	Xiangmin Jiao, Hongyuan Zha	Consistent computation of first- and second-order differential quantities for surface meshes.	Symposium on Solid and Physical Modeling	2008	DBLP DOI BibTeX RDF	height function, shape operators, stabilities, normals, curvatures, principal directions
11	Dian Gong, Yunfan Li 0001, Xuemei Zhao	Geometric inversion approach for visual curve estimation.	CISS	2008	DBLP DOI BibTeX RDF
11	Ramón Moreno, Alicia D'Anjou, Manuel Graña	Evolutive Parametric Approach for Specular Correction in the Dichromatic Reflection Model.	HAIS	2008	DBLP DOI BibTeX RDF	luminosity correction, Legendre polynomials, region detection, diffuse, specular, Dichromatic Reflection Model
11	David R. Gilbert, Rainer Breitling, Monika Heiner, Robin Donaldson	An Introduction to BioModel Engineering, Illustrated for Signal Transduction Pathways.	Workshop on Membrane Computing	2008	DBLP DOI BibTeX RDF
11	Jun Wang, Lijun Yin 0001, Jason Moore	Using geometric properties of topographic manifold to detect and track eyes for human-computer interaction.	ACM Trans. Multim. Comput. Commun. Appl.	2007	DBLP DOI BibTeX RDF	Bhattacharyya affinity, Topographic manifold, eye tracking, mutual information, Eye detection
11	Jussi Tohka, Evgeny Krestyannikov, Ivo D. Dinov, Allan MacKenzie-Graham, David W. Shattuck, Ulla Ruotsalainen, Arthur W. Toga	Genetic Algorithms for Finite Mixture Model Based Voxel Classification in Neuroimaging.	IEEE Trans. Medical Imaging	2007	DBLP DOI BibTeX RDF
11	Anish Muttreja, Anand Raghunathan, Srivaths Ravi 0001, Niraj K. Jha	Automated Energy/Performance Macromodeling of Embedded Software.	IEEE Trans. Comput. Aided Des. Integr. Circuits Syst.	2007	DBLP DOI BibTeX RDF
11	John Folkesson, Henrik I. Christensen	Closing the Loop With Graphical SLAM.	IEEE Trans. Robotics	2007	DBLP DOI BibTeX RDF
11	Guang Yu, Yijun Li	Parameter identification of the observed citation distribution.	Scientometrics	2007	DBLP DOI BibTeX RDF
11	Byoungseon Choi, Dimitris N. Politis	Modeling 2-D AR Processes With Various Regions of Support.	IEEE Trans. Signal Process.	2007	DBLP DOI BibTeX RDF
11	Tatiana Britvina, Jos J. Eggermont	A Markov model for interspike interval distributions of auditory cortical neurons that do not show periodic firings.	Biol. Cybern.	2007	DBLP DOI BibTeX RDF
11	Gaël Guennebaud, Markus H. Gross	Algebraic point set surfaces.	ACM Trans. Graph.	2007	DBLP DOI BibTeX RDF	moving least square surfaces, surface representation, point based graphics, sharp features
11	Yaron Lipman, Daniel Cohen-Or, David Levin, Hillel Tal-Ezer	Parameterization-free projection for geometry reconstruction.	ACM Trans. Graph.	2007	DBLP DOI BibTeX RDF	geometry projection operator, surface reconstruction, point-cloud
11	Kiruthika Ramanathan, Sheng Uei Guan	Clustering and combinatorial optimization in recursive supervised learning.	J. Comb. Optim.	2007	DBLP DOI BibTeX RDF	Topology based selection, Neural networks, Evolutionary algorithms, Task decomposition, Recursive learning
11	Jianning Xu	Morphological Decomposition of 2-D Binary Shapes Into Modestly Overlapped Octagonal and Disk Components.	IEEE Trans. Image Process.	2007	DBLP DOI BibTeX RDF
11	Laurent Girin, Mohammad Firouzmand, Sylvain Marchand	Perceptual Long-Term Variable-Rate Sinusoidal Modeling of Speech.	IEEE Trans. Speech Audio Process.	2007	DBLP DOI BibTeX RDF
11	Nicholas J. Tustison, Brian B. Avants, James C. Gee	Improved FFD B-Spline Image Registration.	ICCV	2007	DBLP DOI BibTeX RDF
11	Ramanan Navaratnam, Andrew W. Fitzgibbon, Roberto Cipolla	The Joint Manifold Model for Semi-supervised Multi-valued Regression.	ICCV	2007	DBLP DOI BibTeX RDF
11	Donghun Lee, Jihun Park	Estimation of Camera Parameters from a Single Moving Camera using Quaternion-based Interpolation of 3D Trajectory.	CGIV	2007	DBLP DOI BibTeX RDF	Quaternion Interpolation, Camera Parameter Estimation
11	Joohyun Lee, Yunja Nam, Ming Hai Cui, Kueng Mi Choi, Young Lim Choi	Fit Evaluation of 3D Virtual Garment.	HCI (10)	2007	DBLP DOI BibTeX RDF	3D virtual garment simulation, deviation, fit evaluation
11	Xinhui Ma, Robert J. Cripps	Estimation of End Curvatures from Planar Point Data.	IMA Conference on the Mathematics of Surfaces	2007	DBLP DOI BibTeX RDF
11	Zhiheng Huang, Masoud Nikravesh, Ben Azvine, Tamás D. Gedeon	Weighted Pattern Trees: A Case Study with Customer Satisfaction Dataset.	IFSA (1)	2007	DBLP DOI BibTeX RDF
11	Xuan Zhang, Guoyan Zheng	Precise Pose Recovery of Distal Locking Holes From Single Calibrated Fluoroscopic Image via a Novel Variable Decomposition Approach.	ISBI	2007	DBLP DOI BibTeX RDF
11	Pierre Alliez, David Cohen-Steiner, Yiying Tong, Mathieu Desbrun	Voronoi-based variational reconstruction of unoriented point sets.	Symposium on Geometry Processing	2007	DBLP DOI BibTeX RDF
11	A. Alan B. Pritsker, David L. Martin 0002, Janet S. Reust, Mary Ann Flanigan Wagner, O. Patrick Daily, Ann M. Harper, Erick B. Edwards, Leah E. Bennett, James R. Wilson, Michael E. Kuhl, John P. Roberts, Margaret D. Allen, James F. Burdick	Organ transplantation policy evaluation (1995).	WSC	2007	DBLP BibTeX RDF
11	Guoyan Zheng, Xuan Zhang	A Novel Parameter Decomposition Approach for Recovering Poses of Distal Locking Holes from Single Calibrated Fluoroscopic Image.	SCIA	2007	DBLP DOI BibTeX RDF	distal locking, fluoroscopy, parameter decomposition, pose estimation, hybrid optimization, model-based method
11	Asma Rabaoui, Manuel Davy, Stéphane Rossignol, Zied Lachiri, Noureddine Ellouze	Improved one-class SVM classifier for sounds classification.	AVSS	2007	DBLP DOI BibTeX RDF
11	Anna Tonazzini, Primo Coltelli, Paolo Gualtieri	Statistical Analysis of Microspectroscopy Signals for Algae Classification and Phylogenetic Comparison.	MDA	2007	DBLP DOI BibTeX RDF
11	Shuchang Wang, Yangsheng Wang, Xiaolu Chen	Weighted Active Appearance Models.	ICIC (1)	2007	DBLP DOI BibTeX RDF	Corner and Edge, Active Appearance Models, Face Alignment
11	Erkan Ülker, Veysi Isler	An Artificial Immune System Approach for B-Spline Surface Approximation Problem.	International Conference on Computational Science (2)	2007	DBLP DOI BibTeX RDF
11	Joseph Schlecht, Kobus Barnard, Ekaterina H. Spriggs, Barry Pryor	Inferring Grammar-based Structure Models from 3D Microscopy Data.	CVPR	2007	DBLP DOI BibTeX RDF
11	Jinmao Wei 0001, Junping You, Shuqin Wang, Guo-Ying Wang	RST in Decision Tree Pruning.	FSKD (3)	2007	DBLP DOI BibTeX RDF
11	Chen Wu 0002, Hamid K. Aghajan	Model-Based Image Segmentation for Multi-view Human Gesture Analysis.	ACIVS	2007	DBLP DOI BibTeX RDF
11	Angel Domingo Sappa, Fadi Dornaika, David Gerónimo, Antonio M. López 0001	Efficient On-Board Stereo Vision Pose Estimation.	EUROCAST	2007	DBLP DOI BibTeX RDF
11	Angel Domingo Sappa, Rosa Herrero, Fadi Dornaika, David Gerónimo, Antonio M. López 0001	Road Approximation in Euclidean and v -Disparity Space: A Comparative Study.	EUROCAST	2007	DBLP DOI BibTeX RDF
11	Hyung-Soo Lee, Jaewon Sung, Daijin Kim 0001	Incremental AAM Using Synthesized Illumination Images.	PCM	2007	DBLP DOI BibTeX RDF
11	Jure Leskovec, Christos Faloutsos	Scalable modeling of real graphs using Kronecker multiplication.	ICML	2007	DBLP DOI BibTeX RDF
11	Markus Bach, Florian Forster, Friedrich Steimann	Declared Type Generalization Checker: An Eclipse Plug-In for Systematic Programming with More General Types.	FASE	2007	DBLP DOI BibTeX RDF
11	Gavin J. Gibson, Wilfred Otten, João A. N. Filipe, Alex R. Cook, Glenn Marion, Christopher A. Gilligan	Bayesian estimation for percolation models of disease spread in plant populations.	Stat. Comput.	2006	DBLP DOI BibTeX RDF	Fungal pathogens, Stochastic modelling, Bayesian inference, Markov chain Monte Carlo, Spatio-temporal modeling
11	Joong-Hyun Rhim, Doo-Yeoun Cho, Kyu-Yeul Lee, Tae-wan Kim 0001	Generation of Discrete Bicubic G1 B-Spline Ship Hullform Surfaces from a Given Curve Network Using Virtual Iso-Parametric Curves.	J. Comput. Sci. Technol.	2006	DBLP DOI BibTeX RDF	curve network interpolation, discrete G1 continuous B-spline surface, iso-parametric curve, ship hullform
11	Andrea Torsello, Edwin R. Hancock	Learning Shape-Classes Using a Mixture of Tree-Unions.	IEEE Trans. Pattern Anal. Mach. Intell.	2006	DBLP DOI BibTeX RDF	tree clustering, mixture modelinq, model codes, minimum description length, Structural learning, shock graphs
11	David Edwards, Solomon Boulos, Jared M. Johnson, Peter Shirley, Michael Ashikhmin, Michael M. Stark, Chris Wyman	The halfway vector disk for BRDF modeling.	ACM Trans. Graph.	2006	DBLP DOI BibTeX RDF	global illumination, Monte Carlo, BRDF